Home / 2,945,249.92-4,417,880.64-815,340.16

Finding the Fourth Proportional to 2,945,249.92, 4,417,880.64 and 815,340.16

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Solution

The fourth proportional to 2,945,249.92, 4,417,880.64 and 815,340.16 is: 1,223,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,249.92 : 4,417,880.64 = 815,340.16 : x
  2. Step 2: Convert to fraction form
    2,945,249.92/4,417,880.64 = 815,340.16/x
  3. Step 3: Cross multiply
    2,945,249.92x = 4,417,880.64 × 815,340.16
  4. Step 4: Simplify right side
    2,945,249.92x = 3,602,075,507,878.50
  5. Step 5: Solve for x
    x = 3,602,075,507,878.50/2,945,249.92
  6. Step 6: Final answer
    x = 1,223,011.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.